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发明名称
Verfahren zur Herstellung von Dichtungsringen
摘要
申请公布号
DE519880(C)
申请公布日期
1931.03.05
申请号
DE1924SC72055D
申请日期
1924.11.08
申请人
DIPL.-ING. KARL SCHNEIDER
发明人
分类号
F16J9/00;F16J9/20
主分类号
F16J9/00
代理机构
代理人
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地址
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